CN201130743Y - electrical connector - Google Patents

Abstract

The utility model discloses an electrical connector, which can be installed on a circuit board. It includes an insulating body, a plurality of conductive terminals accommodated in the insulating body, and a shielding shell covering the insulating body. The conductive terminals are grounded by a Terminals and a number of signal terminals, the electrical connector also includes an IC component electrically connected to the conductive terminal integrated ESD protection components, the static current in the signal terminal is derived through the IC component through the ground terminal, each conductive terminal is provided The welding end at the bottom of the rear end of the connector, the insulating body includes a tail portion located at the rear end of the electrical connector, wherein the conductive terminal is bent upward from the tail portion to extend the bending portion, the welding end of the conductive terminal, the bending portion and the insulation The tails of the main body jointly constitute a housing portion for housing IC components.

Description

electrical connector

【Technical field】

The utility model relates to an electric connector, especially an electric connector installed on a circuit board.

【Background technique】

Electrical connectors are widely used in the electronic field, such as universal serial bus (Universal Serial Bus, referred to as USB) electrical connectors on mobile phones or other devices that can transfer data data, fixed on the circuit board to form a signal transmission path.

An electrical connector, which can be installed on a circuit board, includes an insulating body, a plurality of conductive terminals accommodated in the insulating body, and a shielding shell covering the insulating body; the conductive terminals are provided with welding ends, and the The conductive terminal is composed of a ground terminal and several signal terminals. The electrical connector also includes an IC component that is electrically connected to the soldering end of the conductive terminal and integrates an ESD protection component. The static current in the signal terminal is derived from the IC component through the ground terminal. The shielding case includes a mounting portion, and the IC component includes an inner surface, which is placed close to the mounting portion of the shielding case and the two are connected by an adhesive.

However, in the assembly process of the above-mentioned electrical connector, the holding of the IC element and the shielding shell is realized by gluing. The gluing and holding method not only makes the manufacturing process cumbersome, but also tends to cause bottlenecks in automation efficiency. .

To sum up, it is indeed necessary to improve the existing electrical connectors to overcome the aforementioned defects in the prior art.

【Content of utility model】

The purpose of the utility model is to provide an electrical connector, which can simplify the manufacturing process of the electrical connector.

In order to achieve the above purpose, the utility model adopts the following technical solution: an electrical connector, which can be installed on a circuit board, which includes an insulating body, a number of conductive terminals accommodated in the insulating body, and a shielding shell covering the insulating body Body, the conductive terminal is composed of a ground terminal and a number of signal terminals, the electrical connector also includes an IC component that is electrically connected to the conductive terminal and integrates ESD protection components, and the static current in the signal terminal is derived from the IC component through the ground terminal , each conductive terminal is provided with a welding end exposing the bottom of the rear end of the electrical connector. The welding end of the terminal, the bent portion and the tail portion of the insulating body jointly constitute a containing portion for containing IC components.

Compared with the prior art, the electrical connector of the utility model uses the receiving part composed of the welding end of the conductive terminal, the bending part and the tail part of the insulating body to accommodate the IC element, which not only simplifies the manufacturing process, but also can effectively improve the efficiency of mass production. efficiency.

【Description of drawings】

FIG. 1 is a three-dimensional assembled view of the first embodiment of the electrical connector of the present invention.

FIG. 2 is an exploded perspective view of the electrical connector shown in FIG. 1 .

FIG. 3 is an exploded perspective view from another angle of the electrical connector shown in FIG. 1 .

FIG. 4 is an exploded perspective view of the shielding housing and other components of the electrical connector shown in FIG. 1 .

Fig. 5 is a three-dimensional assembled view of the second embodiment of the electrical connector of the present invention.

FIG. 6 is a three-dimensional assembled view of the electrical connector shown in FIG. 5 with the shielding shell separated from other components.

【Detailed ways】

Please refer to Figures 1 to 4, which are the first embodiment of the electrical connector 100 of the present invention, including an insulating body 1, a number of conductive terminals 2 installed in the insulating body 1, and a shield covering the insulating body 1. The casing 3 and the integrated circuit (Integrated Circuit, IC for short) element 4 mounted on the back of the insulating body 1 .

Referring to FIGS. 2 to 4 , the insulating housing 1 includes a base 11 and a tongue 12 extending forward from the base 11 . A plurality of accommodation passages 14 for accommodating conductive terminals extend through the lower surface 13 of the base 11 and the bottom 15 of the tongue plate 12 along the docking direction. The lower surface 13 of the base 11 protrudes downwards from a set of parallel stoppers 130, and two adjacent stoppers The gap between 130 communicates with the receiving channel 14 . In order to assemble the insulating body 1 onto the shielding case 3, bosses 160 protrude upward from the two ends of the upper surface 16 of the base 11, respectively protrude protrusions 170 from the middle of the two sides 17 and the two ends of the lower surface 13, and the sides A pair of retaining arms 162 are formed at the intersection of the bottom surface 13 and the bottom surface 17 . A pair of wing portions 180 extend backward from the tail portion 18 of the base portion 11, the distance between the two wing portions 180 is not less than the width of the IC component installed therein, and the tops of the two wing portions 180 and the tail portion 18 between them all face them. The surrounding receiving portion 182 is provided with a guiding portion 181 to guide the IC component 4 into the receiving portion 182 .

A group of conductive terminals 2 are respectively accommodated in the corresponding accommodation channels 14 in the insulating body 1, and are composed of a ground terminal 20 and a plurality of signal terminals 26. Each conductive terminal 2 includes a conduction portion 21 accommodated in the tongue plate 12, The welding end 23 protruding from the lower surface 13 of the base 11 to the rear end connects the conducting portion 21 and the welding end 23 and is fixed to the connecting portion (not shown) in the insulating body 1; wherein each welding end 23 is from The tail portion 18 and the mounting portion 32 of the shielding housing 3 extend between two adjacent stop portions 130 and are exposed to the insulating body 1, that is, the soldering end 23 is exposed to the bottom of the rear end of the electrical connector 100; each conductive terminal 2 is also It includes a bent portion 24 extending from the free end of the welding end 23 toward the upper surface 16 of the base 11 of the insulating body 1 and a contact portion 25 extending from the bent portion 24 . The soldering end 23 and the bent portion 24 constitute a part of the receiving portion 182 , and respectively play a role in restricting vertical and horizontal displacement of the IC component 4 loaded in the receiving portion 182 .

The IC element 4 is generally flat, and a plurality of ESD protection elements are assembled inside. The IC element 4 is composed of an inner wall 40, an outer wall 41 opposite to the inner wall 40, a pair of side walls 44 connecting the inner wall 40 and the outer wall 41, a top wall 43 and a bottom wall 42, wherein the outer wall 41 is provided with a number of conductive terminals 2 The contact portion 25 of the contact portion 25 is electrically connected to the conductive area 410 ; the positions where the bottom wall 42 meets the inner wall 40 and the outer wall 41 are respectively provided with wedge-shaped guide portions 420 to facilitate insertion of IC components into the receiving portion 182 . After the IC component 4 is installed in the receiving portion 182 , the welding end 23 of the conductive terminal 2 receives the bottom wall 41 of the IC component, and the contact portions 25 respectively correspond to the conductive regions 410 elastically contacting the outer wall 41 of the IC component 4 .

The shielding shell 3 covers the outside of the insulating body 1 , and is provided with a docking interface 31 corresponding to the tongue plate 12 and a mounting portion 32 opposite to the docking interface 31 . The shielding shell 3 is composed of a top surface 33 , a bottom surface 34 and two side surfaces 35 connecting them. The protrusions 170 of the insulating body 1 are interference fit with the corresponding side surfaces 35 and bottom surface 34 of the shielding shell 3 respectively. A stamping portion 37 is provided on the bottom surface 34 of the shielding case 3 near the side surface 35. The stamping portion 37 penetrates to the side surface 35 and is bent outward to form a welding portion 38 flush with the bottom surface 34. The welding portion 38 is connected to the conductive terminal 2. The welding ends 23 are arranged coplanarly. The mounting part 32 is formed by extending from the two side surfaces 35 and bending towards each other, and forms a plurality of holding grooves 39 corresponding to the boss 160, the stop arm 162, and the stop part 130 of the insulating body 1 to connect the insulating body 1 and the shielding case 3 Firmly held; the welding end 23 of the conductive terminal 2 protrudes backward from the bottom end of the mounting portion 32 of the shielding case 3 . A tongue plate 330 extends horizontally backward from the center of the rear end of the top surface 33 of the shielding case 3 . The tongue plate 330 is located on the top of the IC component 4 to prevent the IC component 4 from falling out of the receiving portion 182 .

Please refer to FIG. 5 to FIG. 6, which shows the second embodiment of the electrical connector 100 of the present invention, which is similar to the first embodiment, consisting of an insulating body 1, a number of conductive terminals 2 installed in the insulating body 1, and covered The shielding case 3 on the insulating body 1 and the integrated circuit (Integrated Circuit, IC for short) element 4 mounted on the back of the insulating body 1 are composed.

Different from the first embodiment, the IC element 4 housing portion (not marked) in this embodiment is composed of the welding end 23 of the conductive terminal 2, the bending portion 24 and the corresponding tail portion 18 on the insulating body 1; wherein the welding end 23 is used for To receive the bottom wall of the IC component 4 , the bent portion 24 is in electrical contact with the corresponding conductive region 410 of the outer wall 410 of the IC component 4 . In order to assemble the IC element 4 more firmly, a solderable coating can be plated on the bottom wall (not marked) of the IC element 4, and a welding material that can melt under high temperature conditions can be plated on the soldering end 23 of the conductive terminal 2. When connecting the electrical connector 100 to the circuit board by Surface Mount Technology (SMT) welding, the above-mentioned welding material can be melted and the welding end 23 of the conductive terminal 2 is mechanically assembled with the bottom wall of the IC component. The technical features of the same parts of the second embodiment and the first embodiment will not be repeated here.

When assembling the electrical connector 100 to the circuit board, the soldering end 23 of the conductive terminal 2 and the soldering foot 38 of the shielding case 3 are respectively soldered to the corresponding circuit on the circuit board through SMT. After assembly, the static electricity in each signal terminal 26 flows directly through the IC element 4 from the welding terminal 23 and then is led out from the ground terminal 20 .

Compared with the prior art, the electrical connector 100 of the present utility model utilizes the receiving portion composed of the welding end 23 of the conductive terminal 2, the bending portion 24 and the tail portion 18 of the insulating body 1 to accommodate the IC element 4, which not only simplifies the manufacturing process, but also It can effectively improve the efficiency of mass production.

The above are only two specific implementations of the electrical connector 100 of the present invention. Any improvement made by those skilled in the art without changing the spirit and principle of the present invention shall be regarded as the protection scope of the present invention. For example, the The ground terminal 38 of the shielding case 3 is soldered after being inserted into the circuit board or the like.

Claims (7)

1. electric connector, can be mounted on the circuit board, it comprises insulating body, be contained in the plurality of conductive terminals in the insulating body, and the shielding casing that is coated on insulating body, described conducting terminal is made up of at least one earth terminal and some signal terminals, described electric connector comprises that also one electrically connects the IC element of the integrated ESD protective element of conducting terminal, electrostatic current in the signal terminal is derived through earth terminal through the IC element, each conducting terminal is provided with the welding ends that exposes bottom, electric connector rear end, described insulating body comprises that one is positioned at the afterbody of electric connector rear end, it is characterized in that: described conducting terminal upwards bends from afterbody and extends kink, described conducting terminal welding ends, the common formation of the afterbody of kink and insulating body is accommodated the resettlement section of IC element.

2. electric connector as claimed in claim 1 is characterized in that: described IC element is provided with the conduction region that electrically conducts with kink.

3. electric connector as claimed in claim 1 is characterized in that: described conducting terminal also comprises the contact site that extends to the resettlement section from kink, the conduction region that described IC element is provided with corresponding elasticity butt with contact site and electrically conducts.

4. electric connector as claimed in claim 3 is characterized in that: described resettlement section also comprises a pair of alar part that the afterbody from described insulating body extends back, and the distance between the both wing portions is not less than the width setting of the IC element that is loaded on wherein.

5. electric connector as claimed in claim 4 is characterized in that: the top from described both wing portions and the afterbody between them all is provided with guidance part to the resettlement section.

6. electric connector as claimed in claim 5, it is characterized in that: described IC element is by inwall, form with outer wall, the pair of sidewalls that is connected inner and outer wall and roof and diapire that inwall is oppositely arranged, and described diapire inserts in the resettlement section to make things convenient for the IC element with the guide portion that the position that inwall, outer wall join mutually is respectively arranged with wedge shape.

7. as any described electric connector of claim 1-6 item, it is characterized in that: described shielding casing comprises a upper surface, and central horizontal is extended a hyoplastron from the rear end of upper surface, and described hyoplastron is positioned at the vertical direction of described IC element.

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